25. try { 26.  A a = new A(); 27.  a.method1(); 28. } catch (Exception e) { 29.  System.out.print("an error occurred"); 30. }
1. public class A{ 2. public void method1(){ 3. B b= new B(); 4. b.method2(); 5. /* more code here*/ 6. } 7. } 1. public class B{ 2. public void method2(){ 3. C c = new C(); 4. c.method3(); 5. /*more code here*/ 6. } 7.} 1. public class C{ 2. public void method3(){ 3. /*more code here*/ 4. } 5. }